Spectrum Brands (SPB) USPTO patents

An electronic lock includes a lock mechanism operable to change a state thereof between a lock state and an unlock state, and an electric control device including a motor module and a controller.

In a door lock, a locking mechanism includes an outer wheel, an inner wheel disposed inside the outer wheel and operable to rotate relative to the outer wheel, a clutch member disposed in the inner wheel and normally biased to radially extend from the inner wheel into the outer wheel to interengage the inner and outer wheels, and an arm plate sleeved around the inner wheel.